📄 studentcomprator.java
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package baseClass;
import java.util.Comparator;
public class Studentcomprator implements Comparator
{
public int compare(Object o1,Object o2)
{
Student p1=(Student)o1;
Student p2=(Student)o2;
int c1id=Integer.parseInt(p1.getStudentId());
int c2id=Integer.parseInt(p2.getStudentId());
if(c1id<c2id)
return -1;
else
{
if(c1id==c2id)
{
return 0;
}
return 1;
}
}
}
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